# File lib/phusion_passenger/standalone/app_finder.rb, line 44
        def scan
                apps = []
                watchlist = []
                
                app_root = find_app_root
                apps << {
                        :server_names => ["_"],
                        :root => app_root
                }
                watchlist << app_root
                watchlist << "#{app_root}/config" if File.exist?("#{app_root}/config")
                watchlist << "#{app_root}/passenger.conf" if File.exist?("#{app_root}/passenger.conf")
                
                apps.sort! do |a, b|
                        a[:root] <=> b[:root]
                end
                apps.map! do |app|
                        config_filename = File.join(app[:root], "passenger.conf")
                        if File.exist?(config_filename)
                                local_options = load_config_file(:local_config, config_filename)
                                merged_options = @options.merge(app)
                                merged_options.merge!(local_options)
                                merged_options
                        else
                                @options.merge(app)
                        end
                end
                
                @apps = apps
                @watchlist = watchlist
                return apps
        end